- The Tempo ruler allows changing tempo within one session, either abruptly or gradually over time. This is done by placing tempo markers on the ruler and - setting up how exactly the transition happens. + setting up how exactly the transition happens. Alternatively, in the + Grid mode, markers can be + added and edited directly on the timeline.
On the screenshot below, there are 4 bars of music at 120bpm starting at bar 27, then the tempo changes abruptly to 140bpm and goes on for another 4 bars at that tempo, then abruptly changes back to 120bpm and within the next 4 bars gradually - goes back to 140bpm, then continues at 140bpm until the end of the session. + goes back to 140bpm, then continues at 140bpm until the end of the session.
- The Tempo ruler has two modes: editing tempo and mapping tempo. The mode can - be selected in the Edit > Tempo menu. - Additionally, users can select which one should be enabled by default - Edit > Preferences > Metronome > Default tempo - ruler state for new sessions. -
- -- The Map Tempo mode is best suited for cases when there is a live recording - of an instrument or multiple instruments, with some tempo imperfections. So - before more instruments are added, e.g. MIDI-programmed drums, the tempo map - needs to be adjusted to match the actual performance. In this mode, MIDI data - is not adjusted for tempo map changes, so if the live recording contains - both audio and MIDI tracks, the notes will stay exactly where they are. - Additionally, tweaking tempo markers does not change the wall clock position - of other tempo markers. -
- -
- - The Change Tempo mode is better suited for cases when the musician either - starts a session from scratch and creates the tempo map at the beginning, or - when they do need the MIDI data to be adjusted for tempo map changes. - Tweaking tempo in a tempo marker in this mode also changes the wall clock - position of subsequent tempo markers. -
-- When working with the tempo ruler in the Change Tempo mode, each tempo - marker exposes several editable properties: + Each tempo marker exposes several editable properties:
- In the Map Tempo mode, tempo markers also have these properties, but except - for the BPM at the start value, they are not exposed in the user interface. -
- -@@ -221,48 +182,14 @@ music is moved).
-- In the Map Tempo mode, new tempo markers are only created at bar lines. Hover - a bar line on the tempo ruler, this will change the mouse pointer. Then click - and drag to align the bar line with an onset. A new tempo marker will be - automatically created. + For documentation on editing the tempo map in the Grid mode, please see + the relevant part of the + Toolbox chapter.
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- - To tweak the position of a tempo marker, hover the bar line where it's - located, then click and drag it left or right. -
- -- In some cases, tempo fluctuates gradually during the performance. To deal - with that, it's possible to set a tempo ramp. Create two markers, one where - tempo begins changing, and one where it starts changing. Then hover the - mouse pointer between bar lines and start dragging to the left or to the - right. Dragging to the left increases the tempo at the beginning and lowers - it towards the end. Dragging to the right increases the tempo towards the - end and lowers it towards the beginning. -
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